Siemens | HGB3K015B | Circuit Breaker | 15A | 3-Pole | 600V

Siemens HGB3K015B Circuit Breaker delivers dependable protection for three‑phase systems up to 600V. With a precise 15A rating and a 3‑pole design, this unit is crafted for maintenance, retrofit, and replacement projects where exact compatibility matters.

Why the HGB3K015B stands out

• Exact spec alignment: 15A, 3‑pole, and a 600V rating ensure seamless integration with Siemens panels and compatible equipment.
• Three‑phase protection: Simultaneous disconnection of all three conductors helps prevent unbalanced loads and protects motors and equipment in industrial or commercial settings.
• Retrofit‑ready for replacements: Designed for straightforward swap‑in scenarios where matching the part number matters for continued performance.
• Trusted Siemens reliability: Built to endure demanding operations, supporting consistent uptime in demanding environments.
• Clear compatibility reference: The part number HGB3K015B is the best reference for confirming the correct fit in the right panel.

Ideal use cases

Ideal for three‑phase motor circuits, process lines, and distribution panels operating at up to 600V. Perfect for upgrading aging gear, replacing a worn or tripped unit, or performing a precise retrofit in Siemens‑compatible installations. For facilities managing routine maintenance, carrying the exact part on service runs minimizes downtime and ensures predictable trip behavior after replacement.

Installation and safety guidance

Always confirm fit and ratings before ordering—the part number is your strongest compatibility indicator. When installing, follow your panel manufacturer’s torque and safety guidelines. Power down the system, verify absence of voltage, and replace with a like‑for‑like 15A, 3‑pole device to maintain proper coordination and protection levels.

What you gain

Reliable three‑phase circuit protection that aligns with Siemens panels, streamlined maintenance and replacement workflows, and continued system uptime for vital equipment. The HGB3K015B helps you safeguard critical processes and reduce unexpected outages in installations up to 600V.